@inproceedings{ijcai1999p94,
  title     = {A Machine Learning Approach to Building Domain-Specific Search Engines},
  author    = {McCallum, Andrew and Nigam, Kamal and Rennie, Jason and Seymore, Kristie},
  booktitle = {Proceedings of the Sixteenth International Joint Conference on
               Artificial Intelligence, {IJCAI-99}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Thomas Dean},
  pages     = {662--666},
  year      = {1999},
  note      = {Machine Learning},
  url       = {https://ijcai.org/proceedings/1999/94},
}